audrey potts committed suicide days after the party. this, after pictures of the alleged assault circulated on the internet. tonight santa clara sheriff smith elaborates on the case against the teenagers and why the investigation took so long. >> we have arrested each of the three for three charges. one for digital penetration which is a felony. a sexual battery which is touching of private parts. and for distributing of photographs of a minor. i know she was upset. i know there were photographs out there. that's probably what lead to the suicide or at least a huge contributorring factor. it is a tragic case. this is sad. this is bullying. to me it was to humiliate somebody. it is very, very sad. the reason this investigation took so long is we get multiple search warrants of residents, cell phones, electronic equipment and the forensic. we did a lot of work before we were able to really find the evidence that we needed. >>> we just received a statement issued by the school superintendant. >>> a 10-year-old girl is molested in a restroo